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Project size, Programme and Cost

The Pilot Projects range in size from a single house at Newbury, to a twenty-seven unit development at Maidenhead. The size of the projects is a significant factor in assessing the performance of the buildings. By definition a Pilot Project is likely to be harder than a conventional one.

Despite the steep learning curve demanded by Pilot Projects, construction time was generally good with programme times significantly shorter than conventional construction. For example, the INTEGER West Bromwich development took only 32 weeks to complete, around half of what might be expected for a similarly complex project constructed in a conventional manner.

Costs were also generally favourable, and depending on range of features were generally only of the order of 15% greater than standard construction. It is to be expected that with larger roll-out projects, benefits of scale, repetition and increasing industry familiarity with INTEGER techniques that construction time and costs will reduce. However, construction costs are only one part of the total lifetime cost of a building, and costs in use are significantly lower for INTEGER projects. Target savings of 50% energy and 40% water and reduced maintenance costs will be validated for the Pilot Projects over time.